<template>
  <div>
    <van-nav-bar
    title="登录"
    left-arrow
     />
<!--  -->
<van-form
@submit="login"
>
  <van-field
  required
    num="1 + 1"
    v-model="mobile"
    label="手机号"
    placeholder="请输入你的手机号"
     :rules="rules.mobile"
  />
  <van-field
  required
  v-model="code"
  label="验证码"
  placeholder="请输入验证码"
    :rules="rules.code"
  />
  <div style="margin: 16px;">
    <van-button
    :disabled="isLogin"
    :loading="isLogin"
    loading-text="登录中..."
    round block type="info"
    native-type="submit">
      登录
    </van-button>
  </div>
</van-form>
  </div>
</template>

<script>
import { userLogin } from '@/api/user'
import { mapMutations } from 'vuex'
export default {
  name: 'Login',
  data() {
    return {
      mobile: '',
      code: '',
      isLogin: false,
      rules: {
        mobile: [
          { required: true, message: '手机号不能为空' },
          {
            pattern: /^1[3-9]\d{9}$/,
            message: '手机号码格式错误'
          }
        ],
        code: [
          { required: true, message: '验证码不能为空' },
          {
            pattern: /^\d{6}$/,
            message: '验证码格式错误'
          }
        ]
      }
    }
  },
  methods: {
    ...mapMutations('user', ['setToken']),
    async login() {
      this.isLogin = true
      try {
        const res = await userLogin(this.mobile, this.code)
        console.log(res)
        this.setToken(res.data)
        this.$toast.success('登录成功')
        // this.$router.push('/')
        const back = this.$route.query.back || '/user'
        const flag = this.$route.query.flag
        if (flag) {
          return this.$router.back()
        }
        this.$router.push(back)
      } catch {
        this.$toast.fail('登录失败')
      }
      this.isLogin = false
    }
  }
}
</script>

<style lang="less" scoped>
</style>
